Determination of the Chemical and Mineralogical Composition of Drilled Cuttings at Different Points throughout the Solids Control Process

Abstract:

In this work, we use x-ray fluorescence and x-ray diffraction methods to investigate the chemical and mineralogical composition of drilled cuttings at different points throughout the solids control process. Cuttings coated or contaminated with drilling fluid are the result of drilling. Over the past twenty years, studies have been conducted to assess the effects that these contaminated cuttings have on the environment, in both offshore and onshore scenarios. A more restrictive environmental legislation and the need to reduce drilling costs (exploration and production) has led to the optimization of solid-liquid separation. Knowledge of the chemical and mineralogical composition of drilled cuttings will assist in finding a dispersant and in determining an appropriate procedure for carrying out particle size analysis of these solids.

• Periodical: Materials Science Forum (Volumes 727-728)
• Pages: 1677-1682
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.727-728.1677
• Online since: August 2012
• Authors: Marina Seixas Pereira, C.M.A. Panisset, T.B. Lima, Carlos Henrique Ataíde
• Keywords: Cutting Dryer, Desilter, Drilled Cutting, Drilling Fluid, Mineralogical Composition, X-Ray Diffraction (XRD), X-Ray Fluorescence

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